44a0071224
Use explicit c_str() calls in XTI code as implicit conversion to "const char *" doesn't exist in STL build. This fixes compilation problems when wxUSE_EXTENDED_RTTI && wxUSE_STL. Closes #13087. git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@67342 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
682 lines
24 KiB
C++
682 lines
24 KiB
C++
/////////////////////////////////////////////////////////////////////////////
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// Name: src/common/xtistrm.cpp
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// Purpose: streaming runtime metadata information
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// Author: Stefan Csomor
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// Modified by:
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// Created: 27/07/03
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// RCS-ID: $Id$
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// Copyright: (c) 2003 Stefan Csomor
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// Licence: wxWindows licence
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/////////////////////////////////////////////////////////////////////////////
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// For compilers that support precompilation, includes "wx.h".
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#include "wx/wxprec.h"
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#ifdef __BORLANDC__
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#pragma hdrstop
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#endif
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#if wxUSE_EXTENDED_RTTI
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#include "wx/xtistrm.h"
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#ifndef WX_PRECOMP
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#include "wx/object.h"
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#include "wx/hash.h"
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#include "wx/event.h"
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#endif
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#include "wx/tokenzr.h"
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#include "wx/txtstrm.h"
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// STL headers:
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#include "wx/beforestd.h"
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#include <map>
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#include <vector>
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#include <string>
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#include "wx/afterstd.h"
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using namespace std;
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// ----------------------------------------------------------------------------
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// wxObjectWriter
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// ----------------------------------------------------------------------------
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struct wxObjectWriter::wxObjectWriterInternal
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{
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map< const wxObject*, int > m_writtenObjects;
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int m_nextId;
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};
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wxObjectWriter::wxObjectWriter()
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{
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m_data = new wxObjectWriterInternal;
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m_data->m_nextId = 0;
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}
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wxObjectWriter::~wxObjectWriter()
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{
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delete m_data;
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}
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struct wxObjectWriter::wxObjectWriterInternalPropertiesData
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{
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char nothing;
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};
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void wxObjectWriter::ClearObjectContext()
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{
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delete m_data;
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m_data = new wxObjectWriterInternal();
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m_data->m_nextId = 0;
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}
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void wxObjectWriter::WriteObject(const wxObject *object, const wxClassInfo *classInfo,
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wxObjectWriterCallback *writercallback, const wxString &name,
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const wxStringToAnyHashMap &metadata )
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{
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DoBeginWriteTopLevelEntry( name );
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WriteObject( object, classInfo, writercallback, false, metadata);
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DoEndWriteTopLevelEntry( name );
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}
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void wxObjectWriter::WriteObject(const wxObject *object, const wxClassInfo *classInfo,
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wxObjectWriterCallback *writercallback, bool isEmbedded,
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const wxStringToAnyHashMap &metadata )
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{
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if ( !classInfo->BeforeWriteObject( object, this, writercallback, metadata) )
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return;
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if ( writercallback->BeforeWriteObject( this, object, classInfo, metadata) )
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{
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if ( object == NULL )
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DoWriteNullObject();
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else if ( IsObjectKnown( object ) )
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DoWriteRepeatedObject( GetObjectID(object) );
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else
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{
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int oid = m_data->m_nextId++;
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if ( !isEmbedded )
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m_data->m_writtenObjects[object] = oid;
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// in case this object is a wxDynamicObject we also have to insert is superclass
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// instance with the same id, so that object relations are streamed out correctly
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const wxDynamicObject* dynobj = wx_dynamic_cast(const wxDynamicObject*, object);
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if ( !isEmbedded && dynobj )
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m_data->m_writtenObjects[dynobj->GetSuperClassInstance()] = oid;
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DoBeginWriteObject( object, classInfo, oid, metadata );
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wxObjectWriterInternalPropertiesData data;
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WriteAllProperties( object, classInfo, writercallback, &data );
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DoEndWriteObject( object, classInfo, oid );
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}
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writercallback->AfterWriteObject( this,object, classInfo );
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}
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}
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void wxObjectWriter::FindConnectEntry(const wxEvtHandler * evSource,
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const wxEventSourceTypeInfo* dti,
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const wxObject* &sink,
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const wxHandlerInfo *&handler)
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{
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wxList *dynamicEvents = evSource->GetDynamicEventTable();
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if ( dynamicEvents )
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{
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for ( wxList::const_iterator node = dynamicEvents->begin(); node != dynamicEvents->end(); ++node )
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{
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wxDynamicEventTableEntry *entry = (wxDynamicEventTableEntry*)(*node);
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// find the match
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if ( entry->m_fn &&
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(dti->GetEventType() == entry->m_eventType) &&
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(entry->m_id == -1 ) &&
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(entry->m_fn->GetEvtHandler() != NULL ) )
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{
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sink = entry->m_fn->GetEvtHandler();
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const wxClassInfo* sinkClassInfo = sink->GetClassInfo();
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const wxHandlerInfo* sinkHandler = sinkClassInfo->GetFirstHandler();
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while ( sinkHandler )
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{
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if ( sinkHandler->GetEventFunction() == entry->m_fn->GetEvtMethod() )
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{
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handler = sinkHandler;
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break;
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}
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sinkHandler = sinkHandler->GetNext();
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}
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break;
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}
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}
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}
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}
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void wxObjectWriter::WriteAllProperties( const wxObject * obj, const wxClassInfo* ci,
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wxObjectWriterCallback *writercallback,
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wxObjectWriterInternalPropertiesData * data )
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{
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wxPropertyInfoMap map;
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ci->GetProperties( map );
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for ( int i = 0; i < ci->GetCreateParamCount(); ++i )
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{
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wxString name = ci->GetCreateParamName(i);
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wxPropertyInfoMap::const_iterator iter = map.find(name);
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const wxPropertyInfo* prop = iter == map.end() ? NULL : iter->second;
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if ( prop )
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{
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WriteOneProperty( obj, prop->GetDeclaringClass(), prop, writercallback, data );
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}
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else
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{
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wxLogError( _("Create Parameter %s not found in declared RTTI Parameters"), name.c_str() );
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}
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map.erase( name );
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}
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{ // Extra block for broken compilers
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for( wxPropertyInfoMap::iterator iter = map.begin(); iter != map.end(); ++iter )
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{
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const wxPropertyInfo* prop = iter->second;
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if ( prop->GetFlags() & wxPROP_OBJECT_GRAPH )
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{
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WriteOneProperty( obj, prop->GetDeclaringClass(), prop, writercallback, data );
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}
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}
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}
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{ // Extra block for broken compilers
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for( wxPropertyInfoMap::iterator iter = map.begin(); iter != map.end(); ++iter )
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{
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const wxPropertyInfo* prop = iter->second;
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if ( !(prop->GetFlags() & wxPROP_OBJECT_GRAPH) )
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{
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WriteOneProperty( obj, prop->GetDeclaringClass(), prop, writercallback, data );
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}
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}
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}
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}
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class WXDLLIMPEXP_BASE wxObjectPropertyWriter: public wxObjectWriterFunctor
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{
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public:
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wxObjectPropertyWriter(const wxClassTypeInfo* cti,
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wxObjectWriterCallback *writercallback,
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wxObjectWriter* writer,
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wxStringToAnyHashMap &props) :
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m_cti(cti),m_persister(writercallback),m_writer(writer),m_props(props)
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{}
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virtual void operator()(const wxObject *vobj)
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{
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m_writer->WriteObject( vobj, (vobj ? vobj->GetClassInfo() : m_cti->GetClassInfo() ),
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m_persister, m_cti->GetKind()== wxT_OBJECT, m_props );
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}
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private:
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const wxClassTypeInfo* m_cti;
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wxObjectWriterCallback *m_persister;
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wxObjectWriter* m_writer;
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wxStringToAnyHashMap& m_props;
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};
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void wxObjectWriter::WriteOneProperty( const wxObject *obj, const wxClassInfo* ci,
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const wxPropertyInfo* pi, wxObjectWriterCallback *writercallback,
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wxObjectWriterInternalPropertiesData *WXUNUSED(data) )
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{
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if ( pi->GetFlags() & wxPROP_DONT_STREAM )
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return;
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// make sure that we are picking the correct object for accessing the property
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const wxDynamicObject* dynobj = wx_dynamic_cast(const wxDynamicObject*, obj );
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if ( dynobj && (wx_dynamic_cast(const wxDynamicClassInfo*, ci) == NULL) )
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obj = dynobj->GetSuperClassInstance();
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if ( pi->GetTypeInfo()->GetKind() == wxT_COLLECTION )
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{
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wxAnyList data;
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pi->GetAccessor()->GetPropertyCollection(obj, data);
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const wxTypeInfo * elementType =
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wx_dynamic_cast( const wxCollectionTypeInfo*, pi->GetTypeInfo() )->GetElementType();
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if ( !data.empty() )
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{
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DoBeginWriteProperty( pi );
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for ( wxAnyList::const_iterator iter = data.begin(); iter != data.end(); ++iter )
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{
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DoBeginWriteElement();
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const wxAny* valptr = *iter;
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if ( writercallback->BeforeWriteProperty( this, obj, pi, *valptr ) )
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{
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const wxClassTypeInfo* cti =
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wx_dynamic_cast( const wxClassTypeInfo*, elementType );
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if ( cti )
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{
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wxStringToAnyHashMap md;
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wxObjectPropertyWriter pw(cti,writercallback,this, md);
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const wxClassInfo* pci = cti->GetClassInfo();
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pci->CallOnAny( *valptr, &pw);
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}
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else
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{
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DoWriteSimpleType( *valptr );
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}
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}
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DoEndWriteElement();
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}
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DoEndWriteProperty( pi );
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}
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}
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else
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{
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const wxEventSourceTypeInfo* dti =
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wx_dynamic_cast( const wxEventSourceTypeInfo* , pi->GetTypeInfo() );
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if ( dti )
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{
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const wxObject* sink = NULL;
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const wxHandlerInfo *handler = NULL;
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const wxEvtHandler * evSource = wx_dynamic_cast(const wxEvtHandler *, obj);
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if ( evSource )
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{
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FindConnectEntry( evSource, dti, sink, handler );
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if ( writercallback->BeforeWriteDelegate( this, obj, ci, pi, sink, handler ) )
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{
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if ( sink != NULL && handler != NULL )
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{
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DoBeginWriteProperty( pi );
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if ( IsObjectKnown( sink ) )
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{
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DoWriteDelegate( obj, ci, pi, sink, GetObjectID( sink ),
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sink->GetClassInfo(), handler );
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DoEndWriteProperty( pi );
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}
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else
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{
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wxLogError( _T("Streaming delegates for not already ")
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_T("streamed objects not yet supported") );
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}
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}
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}
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}
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else
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{
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wxLogError(_("Illegal Object Class (Non-wxEvtHandler) as Event Source") );
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}
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}
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else
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{
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wxAny value;
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pi->GetAccessor()->GetProperty(obj, value);
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// avoid streaming out void objects
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// TODO Verify
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if( value.IsNull() )
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return;
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if ( pi->GetFlags() & wxPROP_ENUM_STORE_LONG )
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{
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const wxEnumTypeInfo *eti =
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wx_dynamic_cast(const wxEnumTypeInfo*, pi->GetTypeInfo() );
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if ( eti )
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{
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eti->ConvertFromLong( wxANY_AS(value, long ), value );
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}
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else
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{
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wxLogError( _("Type must have enum - long conversion") );
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}
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}
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// avoid streaming out default values
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if ( pi->GetTypeInfo()->HasStringConverters() &&
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!pi->GetDefaultValue().IsNull() ) // TODO Verify
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{
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if ( wxAnyGetAsString(value) == wxAnyGetAsString(pi->GetDefaultValue()) )
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return;
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}
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// avoid streaming out null objects
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const wxClassTypeInfo* cti =
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wx_dynamic_cast( const wxClassTypeInfo* , pi->GetTypeInfo() );
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if ( cti && cti->GetKind() == wxT_OBJECT_PTR && wxAnyGetAsObjectPtr(value) == NULL )
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return;
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if ( writercallback->BeforeWriteProperty( this, obj, pi, value ) )
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{
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DoBeginWriteProperty( pi );
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if ( cti )
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{
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if ( cti->HasStringConverters() )
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{
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wxString stringValue;
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cti->ConvertToString( value, stringValue );
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wxAny convertedValue(stringValue);
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DoWriteSimpleType( convertedValue );
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}
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else
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{
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wxStringToAnyHashMap md;
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wxObjectPropertyWriter pw(cti,writercallback,this, md);
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const wxClassInfo* pci = cti->GetClassInfo();
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pci->CallOnAny(value, &pw);
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}
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}
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else
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{
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DoWriteSimpleType( value );
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}
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DoEndWriteProperty( pi );
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}
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}
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}
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}
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int wxObjectWriter::GetObjectID(const wxObject *obj)
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{
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if ( !IsObjectKnown( obj ) )
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return wxInvalidObjectID;
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return m_data->m_writtenObjects[obj];
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}
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bool wxObjectWriter::IsObjectKnown( const wxObject *obj )
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{
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return m_data->m_writtenObjects.find( obj ) != m_data->m_writtenObjects.end();
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}
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// ----------------------------------------------------------------------------
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// wxObjectReader
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// ----------------------------------------------------------------------------
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struct wxObjectReader::wxObjectReaderInternal
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{
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map<int,wxClassInfo*> m_classInfos;
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};
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wxObjectReader::wxObjectReader()
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{
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m_data = new wxObjectReaderInternal;
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}
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wxObjectReader::~wxObjectReader()
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{
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delete m_data;
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}
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wxClassInfo* wxObjectReader::GetObjectClassInfo(int objectID)
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{
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if ( objectID == wxNullObjectID || objectID == wxInvalidObjectID )
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{
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wxLogError( _("Invalid or Null Object ID passed to GetObjectClassInfo" ) );
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return NULL;
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}
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if ( m_data->m_classInfos.find(objectID) == m_data->m_classInfos.end() )
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{
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wxLogError( _("Unknown Object passed to GetObjectClassInfo" ) );
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return NULL;
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}
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return m_data->m_classInfos[objectID];
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}
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void wxObjectReader::SetObjectClassInfo(int objectID, wxClassInfo *classInfo )
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{
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if ( objectID == wxNullObjectID || objectID == wxInvalidObjectID )
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{
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wxLogError( _("Invalid or Null Object ID passed to GetObjectClassInfo" ) );
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return;
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}
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if ( m_data->m_classInfos.find(objectID) != m_data->m_classInfos.end() )
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{
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wxLogError( _("Already Registered Object passed to SetObjectClassInfo" ) );
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return;
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}
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m_data->m_classInfos[objectID] = classInfo;
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}
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bool wxObjectReader::HasObjectClassInfo( int objectID )
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{
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if ( objectID == wxNullObjectID || objectID == wxInvalidObjectID )
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{
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wxLogError( _("Invalid or Null Object ID passed to HasObjectClassInfo" ) );
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return false;
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}
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return m_data->m_classInfos.find(objectID) != m_data->m_classInfos.end();
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}
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// ----------------------------------------------------------------------------
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// reading xml in
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// ----------------------------------------------------------------------------
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/*
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Reading components has not to be extended for components
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as properties are always sought by typeinfo over all levels
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and create params are always toplevel class only
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*/
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// ----------------------------------------------------------------------------
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// wxObjectRuntimeReaderCallback - depersisting to memory
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// ----------------------------------------------------------------------------
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struct wxObjectRuntimeReaderCallback::wxObjectRuntimeReaderCallbackInternal
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{
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map<int,wxObject *> m_objects;
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void SetObject(int objectID, wxObject *obj )
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{
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if ( m_objects.find(objectID) != m_objects.end() )
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{
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wxLogError( _("Passing a already registered object to SetObject") );
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return ;
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}
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m_objects[objectID] = obj;
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}
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wxObject* GetObject( int objectID )
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{
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if ( objectID == wxNullObjectID )
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return NULL;
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if ( m_objects.find(objectID) == m_objects.end() )
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{
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wxLogError( _("Passing an unkown object to GetObject") );
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return NULL;
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}
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return m_objects[objectID];
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}
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};
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wxObjectRuntimeReaderCallback::wxObjectRuntimeReaderCallback()
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{
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m_data = new wxObjectRuntimeReaderCallbackInternal();
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}
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wxObjectRuntimeReaderCallback::~wxObjectRuntimeReaderCallback()
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{
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delete m_data;
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}
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void wxObjectRuntimeReaderCallback::AllocateObject(int objectID, wxClassInfo *classInfo,
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wxStringToAnyHashMap &WXUNUSED(metadata))
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{
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wxObject *O;
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O = classInfo->CreateObject();
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m_data->SetObject(objectID, O);
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}
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void wxObjectRuntimeReaderCallback::CreateObject(int objectID,
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const wxClassInfo *classInfo,
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int paramCount,
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wxAny *params,
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int *objectIdValues,
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const wxClassInfo **objectClassInfos,
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wxStringToAnyHashMap &WXUNUSED(metadata))
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{
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wxObject *o;
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o = m_data->GetObject(objectID);
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for ( int i = 0; i < paramCount; ++i )
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{
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if ( objectIdValues[i] != wxInvalidObjectID )
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{
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wxObject *o;
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o = m_data->GetObject(objectIdValues[i]);
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// if this is a dynamic object and we are asked for another class
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// than wxDynamicObject we cast it down manually.
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wxDynamicObject *dyno = wx_dynamic_cast( wxDynamicObject *, o);
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if ( dyno!=NULL && (objectClassInfos[i] != dyno->GetClassInfo()) )
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{
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o = dyno->GetSuperClassInstance();
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}
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params[i] = objectClassInfos[i]->ObjectPtrToAny(o);
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}
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}
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classInfo->Create(o, paramCount, params);
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}
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void wxObjectRuntimeReaderCallback::ConstructObject(int objectID,
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const wxClassInfo *classInfo,
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int paramCount,
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wxAny *params,
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int *objectIdValues,
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const wxClassInfo **objectClassInfos,
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wxStringToAnyHashMap &WXUNUSED(metadata))
|
|
{
|
|
wxObject *o;
|
|
for ( int i = 0; i < paramCount; ++i )
|
|
{
|
|
if ( objectIdValues[i] != wxInvalidObjectID )
|
|
{
|
|
wxObject *o;
|
|
o = m_data->GetObject(objectIdValues[i]);
|
|
// if this is a dynamic object and we are asked for another class
|
|
// than wxDynamicObject we cast it down manually.
|
|
wxDynamicObject *dyno = wx_dynamic_cast( wxDynamicObject *, o);
|
|
if ( dyno!=NULL && (objectClassInfos[i] != dyno->GetClassInfo()) )
|
|
{
|
|
o = dyno->GetSuperClassInstance();
|
|
}
|
|
params[i] = objectClassInfos[i]->ObjectPtrToAny(o);
|
|
}
|
|
}
|
|
o = classInfo->ConstructObject(paramCount, params);
|
|
m_data->SetObject(objectID, o);
|
|
}
|
|
|
|
|
|
void wxObjectRuntimeReaderCallback::DestroyObject(int objectID, wxClassInfo *WXUNUSED(classInfo))
|
|
{
|
|
wxObject *o;
|
|
o = m_data->GetObject(objectID);
|
|
delete o;
|
|
}
|
|
|
|
void wxObjectRuntimeReaderCallback::SetProperty(int objectID,
|
|
const wxClassInfo *classInfo,
|
|
const wxPropertyInfo* propertyInfo,
|
|
const wxAny &value)
|
|
{
|
|
wxObject *o;
|
|
o = m_data->GetObject(objectID);
|
|
classInfo->SetProperty( o, propertyInfo->GetName().c_str(), value );
|
|
}
|
|
|
|
void wxObjectRuntimeReaderCallback::SetPropertyAsObject(int objectID,
|
|
const wxClassInfo *classInfo,
|
|
const wxPropertyInfo* propertyInfo,
|
|
int valueObjectId)
|
|
{
|
|
wxObject *o, *valo;
|
|
o = m_data->GetObject(objectID);
|
|
valo = m_data->GetObject(valueObjectId);
|
|
const wxClassInfo* valClassInfo =
|
|
(wx_dynamic_cast(const wxClassTypeInfo*,propertyInfo->GetTypeInfo()))->GetClassInfo();
|
|
|
|
// if this is a dynamic object and we are asked for another class
|
|
// than wxDynamicObject we cast it down manually.
|
|
wxDynamicObject *dynvalo = wx_dynamic_cast( wxDynamicObject *, valo);
|
|
if ( dynvalo!=NULL && (valClassInfo != dynvalo->GetClassInfo()) )
|
|
{
|
|
valo = dynvalo->GetSuperClassInstance();
|
|
}
|
|
|
|
classInfo->SetProperty( o, propertyInfo->GetName().c_str(),
|
|
valClassInfo->ObjectPtrToAny(valo) );
|
|
}
|
|
|
|
void wxObjectRuntimeReaderCallback::SetConnect(int eventSourceObjectID,
|
|
const wxClassInfo *WXUNUSED(eventSourceClassInfo),
|
|
const wxPropertyInfo *delegateInfo,
|
|
const wxClassInfo *WXUNUSED(eventSinkClassInfo),
|
|
const wxHandlerInfo* handlerInfo,
|
|
int eventSinkObjectID )
|
|
{
|
|
wxEvtHandler *ehsource =
|
|
wx_dynamic_cast( wxEvtHandler* , m_data->GetObject( eventSourceObjectID ) );
|
|
wxEvtHandler *ehsink =
|
|
wx_dynamic_cast( wxEvtHandler *,m_data->GetObject(eventSinkObjectID) );
|
|
|
|
if ( ehsource && ehsink )
|
|
{
|
|
const wxEventSourceTypeInfo *delegateTypeInfo =
|
|
wx_dynamic_cast(const wxEventSourceTypeInfo*,delegateInfo->GetTypeInfo());
|
|
if( delegateTypeInfo && delegateTypeInfo->GetLastEventType() == -1 )
|
|
{
|
|
ehsource->Connect( -1, delegateTypeInfo->GetEventType(),
|
|
handlerInfo->GetEventFunction(), NULL /*user data*/,
|
|
ehsink );
|
|
}
|
|
else
|
|
{
|
|
for ( wxEventType iter = delegateTypeInfo->GetEventType();
|
|
iter <= delegateTypeInfo->GetLastEventType(); ++iter )
|
|
{
|
|
ehsource->Connect( -1, iter,
|
|
handlerInfo->GetEventFunction(), NULL /*user data*/,
|
|
ehsink );
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
wxObject *wxObjectRuntimeReaderCallback::GetObject(int objectID)
|
|
{
|
|
return m_data->GetObject( objectID );
|
|
}
|
|
|
|
void wxObjectRuntimeReaderCallback::AddToPropertyCollection( int objectID,
|
|
const wxClassInfo *classInfo,
|
|
const wxPropertyInfo* propertyInfo,
|
|
const wxAny &value)
|
|
{
|
|
wxObject *o;
|
|
o = m_data->GetObject(objectID);
|
|
classInfo->AddToPropertyCollection( o, propertyInfo->GetName().c_str(), value );
|
|
}
|
|
|
|
void wxObjectRuntimeReaderCallback::AddToPropertyCollectionAsObject(int objectID,
|
|
const wxClassInfo *classInfo,
|
|
const wxPropertyInfo* propertyInfo,
|
|
int valueObjectId)
|
|
{
|
|
wxObject *o, *valo;
|
|
o = m_data->GetObject(objectID);
|
|
valo = m_data->GetObject(valueObjectId);
|
|
const wxCollectionTypeInfo * collectionTypeInfo =
|
|
wx_dynamic_cast( const wxCollectionTypeInfo *, propertyInfo->GetTypeInfo() );
|
|
const wxClassInfo* valClassInfo =
|
|
(wx_dynamic_cast(const wxClassTypeInfo*,collectionTypeInfo->GetElementType()))->GetClassInfo();
|
|
|
|
// if this is a dynamic object and we are asked for another class
|
|
// than wxDynamicObject we cast it down manually.
|
|
wxDynamicObject *dynvalo = wx_dynamic_cast( wxDynamicObject *, valo);
|
|
if ( dynvalo!=NULL && (valClassInfo != dynvalo->GetClassInfo()) )
|
|
{
|
|
valo = dynvalo->GetSuperClassInstance();
|
|
}
|
|
|
|
classInfo->AddToPropertyCollection( o, propertyInfo->GetName().c_str(),
|
|
valClassInfo->ObjectPtrToAny(valo) );
|
|
}
|
|
|
|
#endif // wxUSE_EXTENDED_RTTI
|